10 Best Viair 400p 40045 Automatic of 2025

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  HIGH PERFORMANCE COMPRESSOR for OFFROAD VEHICLES (Model: 40143, 12V, 150 PSI, 35" Tires) The 400P EF Portable Truck Air Compressor from the VIAIR Enhanced Flow line features an updated head design for improved heat dissipation and noise reduction, making it an excellent choice for offroad enthusiasts.
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  FASTER FILL RATE & ENHANCED PERFORMANCE Delivering a 10% faster fill rate and 20% higher performance along with a 5-in-1 inflator/deflator coil hose, the 400P EF is optimized for off-road adventures. Its powerful direct drive motor fills up to 35" tires efficiently, while maintaining the industry-leading durability VIAIR is known for.
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  VERSATILE POWER OPTIONS With a pre-installed 2-Pin SAE Power connection with 40-Amp inline fuse holder, this compressor is compatible with a variety of power adapters, including VIAIRs Patented 7-way Trailer Plug, making it highly adaptable for different power sources and enhancing ease of use.
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  INCLUDED COMPONENTS & HIGH CAPACITY This kit includes a 25 ft 5-in-1 inflator/deflator air hose with inline 100 PSI gauge, an 8 ft power cord, a dual-compartment carry bag, and three inflation tips. With 2.59 CFM free flow and a maximum working pressure of 150 PSI, it fills a 35" tire from 10 to 0 PSI in 4 min. 56 sec or less, offering high-capacity performance in a compact form.
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  LIGHTWEIGHT & STABLE BASE: The patented I-Beam sand tray is lighter than previous models, minimizing vibration with a wide stance for added stability on uneven terrain, and ensuring smooth and secure operation in challenging environments.

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  Tire Inflator Kit: Say goodbye to tire troubles with the VIAIR 400P-RV Automatic Portable Compressor. Our air compressor offers a versatile and dependable solution at all times, whether you are on a leisurely road trip or in an urgent flat tire situation
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  Easy-to-Use: Featuring a built-in pressure cut-off sensor, the automatic portable air compressor is ideal for tire-to-tire transitions or checking pressure mid-inflation. By streamlining the inflation process, our air pump gets the job done quickly
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  RV Accessories: Ideal for inflating tires up to 35" in diameter, this portable air compressor kit is ideal for RVs, trucks, jeeps, and SUVs. Our tire air pump kit is one of the must-have accessories to ensure peace of mind on the road
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  Specifications: The tire inflator kit operates on 12 volts, delivering up to a maximum working pressure of 150 PSI and a 33% duty cycle; the free flow capacity is 2.30 CFM. The air pump can inflate 275/80/22.5 tires from 80 to 90 psi in just 30 seconds
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  Easy Portability: The air compressor comes with a heavy-duty deluxe carry bag, allowing you to carry and store the kit without any fuss. Say goodbye to long waits for roadside assistance or searching for the nearest gas station with our tire inflator kit

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  Great for inflating tires up to 35inches on off-road and agricultural vehicles.
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  Under 3 Minute fill time (35" tires from 15 to 30psi)
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  2.3CFM Free Flow at 0 PSI
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  Includes deluxe carry bag for the compressor, air hose, and tire inflation gun.
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  Powered direct to the car battery with alligator clamps, comes with a 40 amp in-line fuse.
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  0 to 60 PSI Air Down Gauge
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  Storage Pouch
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  Rapid, hands free
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  One Year Warranty on all Viair products

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  Tire Inflator Kit: Bid adieu to tire troubles with the VIAIR 450P Automatic Portable Compressor. Our air compressor always offers a versatile and reliable solution, whether you are airing back up after camping off-grid or facing an unexpected flat tire.
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  Easy-to-Use: Featuring a built-in pressure cut-off sensor, the automatic portable air compressor is ideal for tire-to-tire transitions or checking pressure mid-inflation. By streamlining the inflation process, our air pump gets the job done quicker.
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  Truck Accessories: Designed for inflating tires up to 42" in diameter, this air compressor is ideal for the avid off-roader with a truck, jeep, SUV, or any car. Our air pump kit is one of the must-have accessories to ensure peace of mind on any adventure.
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  Specifications: The tire inflator kit operates on 12-volts, delivering up to a maximum working pressure of 150 PSI and a 100% duty cycle; the free flow capacity is 1.80 CFM. The automatic air pump operates for up to 1 hour at a time before needing a rest.
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  Easy Portability: The air compressor comes with a deluxe dual-compartment carry bag, allowing you to carry and store the kit easily. Say goodbye to long waits for roadside assistance or searching for the nearest gas station with our tire inflator kit.

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  The VIAIR 450P-RV air compressor offers automatic shut-off at 150 PSI max pressure and 1.80 CFM flow rate to inflate up to 42" RV tires.
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  It comes with a deluxe carry bag for easy portability and storage along with a gas station-style air gun for convenient tire inflation.
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  The winterization kit helps protect the RV water system from freeze damage during winter with items like a blow out plug, quick connect coupler and regulator.
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  The air compressor operates on 12V power with a 100% duty cycle and runs continuously for up to 1 hour before needing a rest period.
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  The winterization kit accessories are compatible for use with Viair 400P-RV or 450P-RV air compressor models only.

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  Thermal overload protector
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  5-In-1 inflator/deflator air hose with inline 100 PSI gauge
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  I-beam sand tray (PN 40043)
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  Diamond-plate sand tray (PN 40050)
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  Deluxe dual compartment carry bag

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  HIGH PERFORMANCE *AUTOMATIC* OFFROAD COMPRESSOR (Model: 40045, 12V, 150 PSI, 35" Tires) - The 400P Portable Truck Air Compressor is 12V heavy-duty electric air compressor for offroad enthusiasts. Its powerful, direct drive gearless motor and maintenance-free operation are perfect for tackling tough terrain. Ultra-compact and storable in its own carrying case.
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  EXPLORE WITHOUT LIMITS: Trucks, SUVs, Jeeps, Offroad Vehicles, 4x4s, Side-by-Sides, RVs, Motorcycles, Road Bikes & Mountain Bikes. *Instructions: Attach the battery clamps to your vehicles battery and start the engine. Connect to a valve stem and turn the unit on. When required, use the included bicycle Presta valve adapter.
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  INCLUDED COMPONENTS: 12V mini air compressor tire inflator has a 25 ft 5-in-1 inflator/deflator air hose with inline 100 PSI gauge, 8 ft power cord, deluxe dual-compartment carry bag, 3 inflation tips (3/16" nozzle, 5/16" nozzle, and needle adapter), and Presta Valve Adapter. Features: Aluminum I-Beam sand tray, thermal overload protector, 40-Amp inline fuse holder, press-on tire chuck.
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  HIGH CAPACITY SPECS for LARGE TIRES: Powered by 12 volts, this small but mighty electric air compressor with a permanent magnetic motor delivers a maximum working pressure of 150 PSI with a 33% duty cycle @ 100 PSI; Free flow capacity: 2.3 CFM. Maximum Recommended Tire Size: 35". Fills a 35" tire from 15 to 30 PSI in 2 min. 45 sec or less. IP54 rating protects against dust and water spray from any direction. Dimensions: 10.87L x 5.83W x 7.48H; 10.70 lbs.
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  DEPENDABLE QUALITY: VIAIR offroad compressors offer you the freedom to explore further and challenge boundaries. For over 25 years, our American owned and operated company has provided top-quality portable air compressors & inflators. Our commitment to durability, continuous testing, and refinement results in long-lasting performance.

Main Highlights

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  Tire Inflator Kit: Say goodbye to tire troubles with the VIAIR 450P-RV Automatic Portable Compressor. Our air compressor offers a versatile and dependable solution at all times, whether you are on a leisurely road trip or in an urgent flat tire situation.
• 
  Easy-to-Use: Featuring a built-in pressure cut-off sensor, the automatic portable air compressor is ideal for tire-to-tire transitions or checking pressure mid-inflation. By streamlining the inflation process, our air pump gets the job done quicker.
• 
  RV Accessories: Ideal for inflating Class A tires up to 42" in tire diameter, this portable air compressor kit is ideal for RVs, trucks, jeeps, and SUVs. Our tire air pump kit is one of the must-have accessories to ensure peace of mind on the road.
• 
  Specifications: The tire inflator kit operates on 12-volts, delivering up to a maximum working pressure of 150 PSI and a 100% duty cycle; the free flow capacity is 1.80 CFM. The automatic air pump operates for up to 1 hour at a time before needing a rest.
• 
  Easy Portability: The air compressor comes with a heavy-duty deluxe carry bag, allowing you to carry and store the kit without any fuss. Say goodbye to long waits for roadside assistance or searching for the nearest gas station with our tire inflator kit.

Main Highlights

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  Thermal Overload Protector
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  Automatic Shut-Off Function
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  Primary & Extension Air Hoses
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  Vibration-Resistant Diamond-Plate Sand Tray
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  Heat Shielded Quick Connect Coupling

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